SAE #4 to 5/8" 304 Stainless Steel Split Spring Lock Washers Kit

Product description: These washers have a locking feature to resist loosening from vibration. As a screw is tightened, these washers flatten to add tension to the joint and prevent loosening from small amounts of vibration. Package include: Stainless Steel Split Lock Washers For 4#,6#,8#,10#,12#,1/4",5/16",3/8",7/16",1/2",9/16",5/8" Screw/Bolts total 478 pieces. Come with the plastic box: List(Type,Quantity)： Split Lock Washers-----For 4#--------100pcs; Split Lock Washers-----For 6#--------80pcs; Split Lock Washers-----For 8#--------60pcs; Split Lock Washers-----For 10#-------50pcs; Split Lock Washers-----For 12#-------50pcs; Split Lock Washers-----For 1/4"------40pcs; Split Lock Washers-----For 5/16"-----30pcs; Split Lock Washers-----For 3/8"-------20pcs; Split Lock Washers-----For 7/16"------15pcs; Split Lock Washers-----For 1/2"--------15pcs; Split Lock Washers-----For 9/16"-------10pcs; Split Lock Washers-----For 5/8"-------- 8pcs; Packing contents: HVAZI 478PCS 304 Stainless Steel Split Lock Washers For 4#,6#,8#,10#,12#,1/4",5/16",3/8",7/16",1/2",9/16",5/8" Screw/Bolt Packed in a plastic box.

• This kit contains total 478 stainless steel split spring lock washers covering full common inch sizes: #4(100pcs), #6(80pcs), #8(60pcs), #10(50pcs), #12(50pcs), 1/4"(40pcs), 5/16"(30pcs), 3/8"(20pcs), 7/16"(15pcs), 1/2"(15pcs), 9/16"(10pcs), 5/8"(8pcs). Covers small to medium SAE fastener specifications to avoid repeated separate purchases
• All lock washers adopt solid 304 stainless steel raw material, far superior to carbon steel black phosphate washers. It resists rust and oxidation perfectly, long service life for auto chassis, electrical cabinets, industrial equipment and household furniture fastening
• Unique helical split ring structure creates built-in spring force. When bolt or nut is fully tightened, the split ends compress and generate lasting friction tension on the joint surface, locking fasteners firmly and eliminating sliding loosening under continuous vibration and rotation impact.
• Manufactured in compliance with ASME B18.21.1 SAE inch standard, consistent inner/outer diameter and thickness. Compatible with all standard #4 to 5/8 inch UNC & UNF machine screws, hex bolts and lock nuts, ideal for both professional repair and DIY assembly projects
• Comes with a sturdy split transparent plastic storage case, each inch size washer stored in individual labeled slot for quick identification. Compact lightweight design easy to carry to auto repair shop, workshop, home garage and outdoor construction work.